Measurement of Mechanical Properties for Veneered Zirconia in Dental Application Based on Finite Element Analysis
Abstract
Background: Because the failure due to tensile stresses is the dominant case in many clinical trials, the combination of strength property of zirconia and the weaker veneer aesthetic porcelain results in stronger and more reliable restoration.
Materials and Methods: The purpose of the current study is to investigate the mechanical properties of veneered zirconia in different thickness configurations obtained from simulated bending tests. Three points bending test based on finite element analysis performed on eight beams, with different thicknesses of veneer and zirconia performed using Ansys static structural analysis.
Results: The results show that veneered zirconia is stronger in compression than in tension and increasing the veneer layer thickness weakens the restoration.
Conclusion: it is better to reduce the veneer layer thickness, as it is possible also to place the zirconia layer in the areas of compression.
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Copyright (c) 2020 Auns Qusai Al-Neami, Khawla H.Rasheed, Mohammed Q. Shabban
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